As one of the leading tube manufacturers in China, Nanjing Manjiast offers all kinds of aluminum tubes, including aluminum radiator tubes, aluminum charge air cooler tubes, condenser tubes, aluminum round tubes, microchannel tubes, drawn tubes , seamless tube, drawn seamless tube, composite tube and welded tube. Our aluminum harmonica radiator tube is manufactured with high precision and extremely low tolerances to meet customer specific requirements, and can be made from a variety of alloys into welded tubes of various sizes and shapes. The most common shapes are round, flat, oval, rectangular and square, and thin or thick wall aluminum tubes are also available. Common standard stock sizes and custom sizes are available on request.